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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/renderer_context_menu/context_menu_delegate.h"
#include <memory>
#include "base/memory/raw_ptr.h"
#include "content/public/browser/web_contents.h"
namespace {
const char kMenuDelegateUserDataKey[] = "RendererContextMenuMenuDelegate";
class ContextMenuDelegateUserData : public base::SupportsUserData::Data {
public:
explicit ContextMenuDelegateUserData(ContextMenuDelegate* menu_delegate)
: menu_delegate_(menu_delegate) {}
~ContextMenuDelegateUserData() override {
if (menu_delegate_) {
menu_delegate_->ClearWebContents();
}
}
ContextMenuDelegate* menu_delegate() { return menu_delegate_; }
void ClearDelegate() { menu_delegate_ = nullptr; }
private:
raw_ptr<ContextMenuDelegate> menu_delegate_; // not owned by us.
};
} // namespace
ContextMenuDelegate::ContextMenuDelegate(content::WebContents* web_contents) {
web_contents_ = web_contents;
web_contents->SetUserData(
&kMenuDelegateUserDataKey,
std::make_unique<ContextMenuDelegateUserData>(this));
}
ContextMenuDelegate::~ContextMenuDelegate() {
if (web_contents_) {
ContextMenuDelegateUserData* user_data =
static_cast<ContextMenuDelegateUserData*>(
web_contents_->GetUserData(&kMenuDelegateUserDataKey));
user_data->ClearDelegate();
}
}
void ContextMenuDelegate::ClearWebContents() {
web_contents_ = nullptr;
}
// static
ContextMenuDelegate* ContextMenuDelegate::FromWebContents(
content::WebContents* web_contents) {
ContextMenuDelegateUserData* user_data =
static_cast<ContextMenuDelegateUserData*>(
web_contents->GetUserData(&kMenuDelegateUserDataKey));
return user_data ? user_data->menu_delegate() : nullptr;
}
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